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    • 82. 发明申请
    • METHOD AND APPARATUS FOR AUTOMATED SPECTRAL CALIBRATION
    • 自动光谱校准的方法和装置
    • US20110085164A1
    • 2011-04-14
    • US12897376
    • 2010-10-04
    • Matthew NelsonPatrick Treado
    • Matthew NelsonPatrick Treado
    • G01J3/00G01J3/44G01J3/42G01J3/40
    • A61B5/0059A61B2560/0223G01J3/28G01J3/42
    • A method and apparatus for automated spectral calibration of a spectroscopy device. A method for simultaneous calibration and spectral imaging of a sample by: simultaneously illuminating the sample and a calibrant with a plurality of illuminating photons; receiving, at the spectrometer, a first plurality of photons collected from the sample and a second plurality of photons collected from the calibrant; forming a calibrant spectrum from the first plurality of collected photons and a sample spectrum from the second plurality of collected photons; comparing the calibrant spectrum with a reference spectrum of the calibrant to determine a wavelength-shift in the calibrant spectrum; applying the wavelength-shift to the sample spectrum to obtain a calibrated sample spectrum.
    • 一种用于光谱装置的自动光谱校准的方法和装置。 一种通过以下步骤同时校准和光谱成像的方法:同时用多个照明光子照射样品和校准物; 在光谱仪处接收从样品收集的第一组多个光子和从校准物收集的第二组多个光子; 从所述第一多个收集的光子形成校准谱,以及来自所述第二多个收集的光子的样品光谱; 将校准谱与校准物的参考光谱进行比较,以确定校准谱中的波长漂移; 将波长偏移应用于样本光谱以获得校准的样本光谱。
    • 84. 发明申请
    • Chemical Imaging Explosives (CHIMED) Optical Sensor using SWIR
    • 化学成像炸药(CHIMED)使用SWIR的光学传感器
    • US20100225899A1
    • 2010-09-09
    • US12754229
    • 2010-04-05
    • Patrick TreadoMatthew NelsonCharles W. Gardner, JR.
    • Patrick TreadoMatthew NelsonCharles W. Gardner, JR.
    • G01N21/00
    • G01J3/02G01J3/0218G01J3/44G01N21/3563G01N21/359G01N33/0057
    • A sample is illuminated to thereby generate a plurality of first interacted photons selected. The first interacted photons are assessed using a visible imaging device to thereby determine an area of interest in the sample. The area of interest is illuminated to thereby generate a plurality of second interacted photons. The second interacted photons are assessed using a spectroscopic device to thereby generate a SWIR data set representative of said area of interest. A database is searched wherein said database comprises a plurality of known SWIR data sets associated with an explosive material. The data sets comprise at least one of: a plurality of SWIR spectra and a plurality of spatially accurate wavelength resolved SWIR images. An explosive material in the area of interest is thereby identified as a result of the search.
    • 照射样品从而产生选择的多个第一相互作用的光子。 使用可见成像装置评估第一相互作用的光子,从而确定样品中的感兴趣区域。 感兴趣的区域被照亮,从而产生多个第二相互作用的光子。 使用光谱装置评估第二相互作用的光子,从而产生表示所述感兴趣区域的SWIR数据集。 搜索数据库,其中所述数据库包括与爆炸物质相关联的多个已知的已知SWIR数据集。 数据组包括多个SWIR光谱和多个空间准确的波长分辨的SWIR图像中的至少一个。 因此,在感兴趣区域中的爆炸性材料被确定为搜索的结果。
    • 89. 发明申请
    • Forensic integrated search technology
    • 法医综合搜索技术
    • US20070192035A1
    • 2007-08-16
    • US11450138
    • 2006-06-09
    • Robert SchweitzerPatrick TreadoJason Neiss
    • Robert SchweitzerPatrick TreadoJason Neiss
    • C40B30/02
    • G06F16/2462G16C20/20G16C20/90
    • A system and method to search spectra databases and to identify unknown materials. A library having a plurality of sublibraries is provided wherein each sublibrary contains a plurality of reference data sets generated by a corresponding one of a plurality of spectroscopic data generating instruments associated with the sublibrary. Each reference data set characterizes a corresponding known material. A plurality of test data sets is provided that is characteristic of an unknown material, wherein each test data set is generated by one or more of the plurality of spectroscopic data generating instruments. For each test data set, each sublibrary is searched where the sublibrary is associated with the spectroscopic data generating instrument used to generate the test data set. A corresponding set of scores for each searched sublibrary is produced, wherein each score in the set of scores indicates a likelihood of a match between one of the plurality of reference data sets in the searched sublibrary and the test data set. A set of relative probability values is calculated for each searched sublibrary based on the set of scores for each searched sublibrary. All relative probability values for each searched sublibrary are fused producing a set of final probability values that are used in determining whether the unknown material is represented through a known material characterized in the library. A highest final probability value is selected from the set of final probability values and compared to a minimum confidence value. The known material represented in the libraries having the highest final probability value is reported, if the highest final probability value is greater than or equal to the minimum confidence value.
    • 搜索光谱数据库并识别未知材料的系统和方法。 提供具有多个子图库的库,其中每个子图库包含由与该子图书馆相关联的多个光谱数据生成装置中的相应一个生成的多个参考数据集。 每个参考数据集表征相应的已知材料。 提供了许多测试数据集,其是未知材料的特征,其中每个测试数据集由多个光谱数据产生装置中的一个或多个产生。 对于每个测试数据集,搜索每个子图书馆,其中子图书馆与用于生成测试数据集的光谱数据生成工具相关联。 产生每个搜索的子图库的相应的一组分数,其中该分数集中的每个分数表示搜索的子图库中的多个参考数据集之一与测试数据集之间的匹配的可能性。 基于每个搜索的子图库的分数集合,针对每个搜索的子图书馆计算一组相对概率值。 每个搜索的子图库的所有相对概率值被融合,产生用于确定未知材料是否通过库中表征的已知材料表示的一组最终概率值。 从最终概率值的集合中选择最高的最终概率值并与最小置信度值进行比较。 如果最大最终概率值大于或等于最小置信度值,则报告具有最高最终概率值的库中表示的已知材料。